UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

MANAGEMENT INVESTMENT COMPANY

_______________________________

Investment Company Act file number 811-04760

DWS Advisor Funds

(Exact name of registrant as specified in charter)

One South Street

Baltimore, MD 21202

(Address of principal executive offices) (Zip code)

Paul Schubert

345 Park Avenue

New York, NY 10154

(Name and address of agent for service)

Registrant's telephone number, including area code: (212) 454-7190

Date of fiscal year end: 12/31

Date of reporting period: 3/31/07

ITEM 1. SCHEDULE OF INVESTMENTS

Investment Portfolio

as of March 31, 2007 (Unaudited)

Cash Management Portfolio

		Principal Amount ($)		Value ($)

	Certificates of Deposit and Bank Notes 23.1%
Alliance & Leicester PLC:
	5.3%, 5/9/2007		25,000,000	24,999,080
	5.32%, 4/30/2007		100,000,000	100,000,000
	5.335%, 6/11/2007		90,600,000	90,600,878
Banco Bilbao Vizcaya Argentaria SA, 5.305%, 6/1/2007			40,000,000	40,000,000
Bank of America NA:
	5.25%, 9/7/2007		40,500,000	40,500,000
	5.31%, 4/2/2007		80,000,000	79,999,761
Bank of Tokyo-Mitsubishi-UFJ, Ltd.:
	5.34%, 7/19/2007		135,000,000	135,000,000
	5.35%, 7/25/2007		113,000,000	113,000,000
	5.36%, 4/23/2007		75,000,000	75,000,000

Barclays Bank PLC, 5.32%, 5/8/2007		157,700,000		157,700,000
Calyon:
	5.32%, 4/27/2007	45,000,000		45,000,000
	5.325%, 8/31/2007	28,000,000		28,007,840
Citibank NA, 5.315%, 5/2/2007		108,000,000		108,000,000
Depfa Bank PLC, 5.32%, 5/11/2007		27,000,000		27,000,000
HBOS Treasury Services PLC:
	5.305%, 4/19/2007	50,000,000		50,000,000
	5.32%, 4/26/2007	78,000,000		77,999,790

Landesbank Baden Wurttemberg, 5.355%, 4/13/2007		95,000,000		95,000,154
Mizuho Corporate Bank:
	5.3%, 5/7/2007	40,000,000		40,000,000
	5.305%, 4/4/2007	129,500,000		129,500,050
	5.32%, 4/10/2007	47,000,000		47,000,000
	5.325%, 4/20/2007	72,000,000		72,000,000
	5.335%, 5/8/2007	60,000,000		60,000,000
Norddeutsche Landesbank Girozentrale, 5.34%, 6/25/2007		73,000,000		73,000,000
Norinchukin Bank, 5.27%, 9/10/2007		38,800,000		38,800,000
Societe Generale:
	5.32%, 5/11/2007	85,000,000		85,000,000
	5.34%, 7/19/2007	60,000,000		60,000,000
	5.35%, 4/19/2007	65,000,000		64,999,557
UBS AG, 5.29%, 7/2/2007		37,500,000		37,500,000
UniCredito Italiano SpA, 5.315%, 5/8/2007		60,000,000		60,000,000

Total Certificates of Deposit and Bank Notes (Cost $2,055,607,110)			2,055,607,110
	Commercial Paper 29.6%**
Caisse Nationale des Caisses D'Epargne et Prevoyan:
	5.175%, 4/5/2007	50,000,000		49,971,250
	5.22%, 6/7/2007	70,000,000		69,319,950
Cancara Asset Securitization LLC, 5.346%, 4/3/2007		60,000,000		59,982,180
Charta LLC, 5.26%, 4/17/2007		88,000,000		87,794,276
CHI Catholic Health Initiatives, 5.35%, 5/8/2007		60,000,000		60,000,000
Clipper Receivables Co. LLC, 5.26%, 4/17/2007		58,000,000		57,864,409
Compass Securitization LLC, 5.24%, 6/15/2007		93,775,000		92,751,290
Dorada Finance, Inc., 5.23%, 6/11/2007		35,000,000		34,638,985
Dresdner Bank AG, 5.39%, 4/2/2007		30,500,000		30,495,433
Five Finance, Inc., 5.21%, 7/24/2007		27,000,000		26,554,545
Galleon Capital LLC, 5.27%, 4/9/2007		50,000,000		49,941,444
Giro Balanced Funding Corp.:
	5.285%, 4/16/2007	100,000,000		99,779,792
	5.29%, 4/16/2007	100,000,000		99,779,583
Giro Funding US Corp.:
	5.275%, 4/26/2007	75,000,000		74,725,260
	5.28%, 4/23/2007	139,500,000		139,049,880
Grampian Funding Ltd.:
	5.195%, 4/10/2007	15,000,000		14,980,519
	5.21%, 7/25/2007	14,000,000		13,766,997
Greyhawk Funding LLC:
	5.21%, 5/9/2007	16,000,000		15,912,009
	5.24%, 5/16/2007	32,500,000		32,287,125
Hewlett-Packard Co., 5.28%, 4/20/2007		50,000,000		49,860,667
Honeywell International, Inc., 5.4%, 4/2/2007		1,021,000		1,020,847
Irish Life & Permanent PLC:
	5.195%, 7/16/2007	38,200,000		37,615,678
	5.195%, 7/20/2007	34,000,000		33,460,297

K2 (USA) LLC:
	5.145%, 8/8/2007	30,000,000		29,446,912
	5.225%, 6/14/2007	50,800,000		50,254,394
	5.225%, 6/20/2007	33,000,000		32,616,833
KBC Financial Products International Ltd., 5.2%, 5/14/2007		64,000,000		63,602,489
Lake Constance Funding LLC:
	5.23%, 6/7/2007	50,000,000		49,513,319
	5.25%, 5/4/2007	10,000,000		9,951,875
Liberty Street Funding, 5.275%, 4/20/2007		50,000,000		49,860,799
Links Finance LLC, 5.24%, 6/18/2007		40,000,000		39,545,867
Mane Funding Corp., 5.23%, 6/14/2007		50,699,000		50,153,958
Morgan Stanley, 5.2%, 6/26/2007		95,000,000		93,819,889
Nieuw Amsterdam Receivables Corp., 5.28%, 4/18/2007		28,667,000		28,595,524
Northern Rock PLC:
	5.245%, 5/9/2007	32,000,000		31,822,835
	5.245%, 5/10/2007	53,000,000		52,698,850
Park Avenue Receivables Co., LLC, 5.275%, 4/16/2007		47,489,000		47,384,623
Perry Global Funding LLC:
	Series A, 5.24%, 6/25/2007	30,308,000		29,933,023
	Series A, 5.245%, 4/10/2007	80,000,000		79,895,100
	Series A, 5.25%, 4/20/2007	93,169,000		92,910,844
Prudential PLC, 5.245%, 5/9/2007		39,900,000		39,679,098
Rabobank USA Financial Corp., 5.395%, 4/2/2007		56,500,000		56,491,533
Sheffield Receivables Corp., 5.245%, 5/10/2007		79,000,000		78,551,115
Simba Funding Corp.:
	5.247%, 5/23/2007	38,109,000		37,820,144
	5.247%, 5/29/2007	39,636,000		39,300,905
	5.25%, 5/2/2007	21,863,000		21,764,161
Tango Finance Corp., 5.24%, 6/15/2007		26,250,000		25,963,437
Valcour Bay Capital Co. LLC, 5.31%, 5/4/2007		60,000,000		59,707,950
Verizon Communications, Inc.:
	5.295%, 4/4/2007	35,000,000		34,984,556
	5.3%, 4/3/2007	50,000,000		49,985,278
	5.3%, 4/18/2007	35,000,000		34,912,403
	5.31%, 4/9/2007	30,000,000		29,964,600
Windmill Funding Corp., 5.26%, 4/19/2007		60,000,000		59,842,200

Total Commercial Paper (Cost $2,632,526,930)			2,632,526,930
	Master Notes 1.7%
The Bear Stearns Companies, Inc., 5.537% *, 4/2/2007 (a) (Cost $150,000,000)		150,000,000		150,000,000
	US Government Sponsored Agencies 0.1%
Federal Home Loan Mortgage Corp., 5.35%, 3/26/2008 (Cost $10,290,000)		10,290,000		10,290,000
	*Funding Agreements 3.5%**
Genworth Life Insurance Co.:
	5.407%, 9/4/2007	105,000,000		105,000,000
	5.407%, 3/3/2008	20,000,000		20,000,000
	5.42%, 1/25/2008	75,000,000		75,000,000
New York Life Insurance Co., 5.41%, 9/18/2007		80,000,000		80,000,000
Travelers Insurance Co., 5.41%, 3/31/2008		30,000,000		30,000,000

Total Funding Agreements (Cost $310,000,000)			310,000,000
	Asset Backed 1.2%
Interstar Millennium Trust, "A1", Series 2006-2GA, 5.3% *, 5/27/2038		50,306,844		50,306,844
Mound Financing PLC, "1A", Series 5A, 5.29% *, 5/8/2007		35,000,000		35,000,000

Steers Mercury III Trust, 144A, 5.34% *, 5/27/2048		24,852,030		24,852,030

Total Asset Backed (Cost $110,158,874)			110,158,874
	Promissory Notes 1.9%
The Goldman Sachs Group, Inc., 5.41% *, 10/19/2007 (Cost $170,000,000)		170,000,000		170,000,000
	*Short Term Notes 34.2%**
American Express Bank FSB:
	5.28%, 2/8/2008	80,000,000		80,000,000
	5.29%, 11/8/2007	34,000,000		33,997,983
American Express Centurion Bank:
	5.29%, 9/13/2007	50,000,000		50,000,000
	5.29%, 11/6/2007	175,000,000		175,000,000
American Honda Finance Corp.:
	5.31%, 3/20/2008	25,000,000		25,000,000
	5.33%, 10/30/2007	45,000,000		45,000,000
Australia & New Zealand Banking Group Ltd., 5.32%, 6/23/2010		30,000,000		30,000,000
Banco Espanol de Credito SA, 144A, 5.334%, 4/18/2012		88,000,000		88,000,000
Bank of Tokyo-Mitsubishi-UFJ, Ltd., 5.41%, 8/23/2007		50,000,000		50,016,245
BMW US Capital LLC, 144A, 5.3%, 10/5/2011		10,000,000		10,000,000
BNP Paribas:
	5.29%, 6/20/2007	100,000,000		99,994,326
	5.3%, 10/3/2007	50,000,000		49,992,235
Caja de Ahorros y Monte de Piedad de Madrid, 5.36%, 10/19/2007		50,000,000		50,000,000
Calyon:
	5.26%, 10/3/2007	75,000,000		74,986,836
	5.28%, 9/13/2007	28,000,000		27,996,881
	144A, 5.32%, 4/15/2008	86,000,000		86,000,000
Canadian Imperial Bank of Commerce, 5.39%, 10/26/2007		60,000,000		59,991,784
Carrera Capital Finance LLC, 5.31%, 8/24/2007		70,000,000		70,000,000
Commonwealth Bank of Australia, 5.32%, 8/24/2010		40,000,000		40,000,000
Credit Agricole SA, 5.28%, 6/28/2007		50,000,000		49,994,410
Danske Bank AS, 144A, 5.29%, 3/20/2013		88,000,000		87,990,619
DNB NOR Bank ASA, 5.31%, 5/25/2011		50,000,000		50,000,000
General Electric Capital Corp., 5.28%, 8/19/2011		60,000,000		60,000,000
HSBC Bank USA, NA, 3.87%, 6/7/2007		40,500,000		40,380,377
HSBC Finance Corp.:
	5.33%, 2/6/2012	75,000,000		75,000,000
	5.37%, 3/24/2011	25,000,000		25,000,000
HSH Nordbank AG, 144A, 5.33%, 3/20/2008		60,000,000		60,000,000
International Business Machine Corp., 5.33%, 12/8/2010		66,000,000		66,000,000
Intesa Bank Ireland PLC, 5.32%, 7/25/2011		40,000,000		40,000,000
K2 (USA) LLC:
	144A, 5.3%, 7/16/2007	40,000,000		39,999,961
	5.315%, 6/8/2007	65,500,000		65,501,706
Links Finance LLC, 144A, 5.325%, 8/15/2007		39,000,000		39,003,531
M&I Marshall & Ilsley Bank, 5.32%, 12/15/2011		56,000,000		56,000,000
Merrill Lynch & Co., Inc.:
	5.285%, 5/14/2007	25,000,000		25,000,000
	5.3%, 8/24/2011	80,000,000		80,000,000
	5.33%, 9/15/2010	35,000,000		35,000,000
	5.4%, 2/3/2009	35,000,000		35,000,000
	5.487%, 5/29/2007	25,000,000		25,000,000
	5.567%, 7/6/2007	35,000,000		35,006,281
Morgan Stanley:
	5.37%, 9/5/2007	102,000,000		102,000,000
	5.497%, 9/10/2007	130,000,000		130,000,000

Natixis SA, 5.42%, 8/31/2007				50,000,000			50,000,000
Nordea Bank AB, 5.3%, 4/8/2011				40,000,000			40,000,000
Northern Rock PLC:
	144A, 5.33%, 10/22/2007			90,000,000			90,000,000
	5.34%, 4/4/2008			30,000,000			30,000,000
Pyxis Master Trust, Series 2007-6, 144A, 5.366%, 9/2/2014				37,000,000			37,000,000
Skandinaviska Enskilda Banken, 5.32%, 7/16/2010				50,000,000			50,000,000
Societe Generale, 5.27%, 3/25/2008				35,500,000			35,491,393
Tango Finance Corp.:
	144A, 5.29%, 9/24/2007			50,000,000			49,997,603
	144A, 5.29%, 10/3/2007			25,000,000			24,998,731
The Bear Stearns Companies, Inc., 5.32%, 7/10/2007				50,000,000			50,000,000
Toyota Motor Credit Corp., 5.33%, 2/11/2008				100,000,000			100,000,000
UniCredito Italiano Bank (Ireland) PLC:
	5.33%, 6/15/2011			75,000,000			75,000,000
	144A, 5.33%, 9/16/2011			45,000,000			45,000,000

Total Short Term Notes (Cost $3,045,340,902)					3,045,340,902
	Time Deposit 4.1%
UBS AG, 5.5%, 4/2/2007 (Cost $369,489,959)				369,489,959			369,489,959
	Repurchase Agreements 0.8%
Banc of America Securities LLC, 5.4%, dated 3/30/2007, to be repurchased at $70,031,500 on 4/2/2007 (b)				70,000,000			70,000,000
Credit Suisse First Boston LLC, 5.15%, dated 3/30/2007, to be repurchased at $1,043,803 on 4/2/2007 (c)				1,043,355			1,043,355

Total Repurchase Agreements (Cost $71,043,355)					71,043,355
			% of Net Assets				Value ($)

Total Investment Portfolio (Cost $ 8,924,457,130)		100.2				8,924,457,130
Other Assets and Liabilities, Net		(0.2)				(19,803,472)

Net Assets		100.0				8,904,653,658
	For information on the Fund's policies regarding the valuation of investments and other significant accounting policies, please refer to the Fund's most recent semi-annual or annual financial statements.
*	Floating rate notes are securities whose yields vary with a designated market index or market rate, such as the coupon-equivalent of the US Treasury bill rate. These securities are shown at their current rate as of March 31, 2007.
**	Annualized yield at time of purchase; not a coupon rate.
(a)	Reset date; not a maturity date.
(b)	Collateralized by $74,119,248 Federal National Mortgage Association, 5.0%, maturing on 6/1/2035 with a value of $72,100,001.
(c)	Collateralized by $1,270,000 US Treasury STRIPS, maturing on 5/15/2011 with a value of $1,065,149.
144A: Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration, normally to qualified institutional buyers.
STRIPS: Separate Trading of Registered Interest and Principal Securities.

ITEM 2.	CONTROLS AND PROCEDURES

	(a) The Chief Executive and Financial Officers concluded that the Registrant’s Disclosure Controls and Procedures are effective based on the evaluation of the Disclosure Controls and Procedures as of a date within 90 days of the filing date of this report.

	(b) There have been no changes in the registrant’s internal control over financial reporting that occurred during the registrant’s last half-year (the registrant’s second fiscal half-year in the case of the annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal controls over financial reporting.

ITEM 3.	EXHIBITS

	Certification pursuant to Rule 30a-2(a) under the Investment Company Act of 1940 (17 CFR 270.30a-2(a)) is filed and attached hereto as Exhibit 99.CERT.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Registrant:

Cash Management Fund Investment, a series of DWS Advisor Funds

By:	/s/Michael G. Clark

Michael G. Clark

President

Date:

May 23, 2007

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.